459802 764053 Penstemon venustus Douglas J. Lindley, Edwards’s Bot. Reg., vol. 16 : t. 1309 (1830) [M. Hart]
 
4277622 764053 Penstemon venustus Douglas Ann. Fl. Pomone, vol. 3 : t. 10 (1835)
 
592782 764073 Penstemon whippleanus A. Gray Addisonia, vol. 20 : t. 671 (1938) [M. Sorensen]
 
1641692 764080 Penstemon wrightii Hook. J. Cassin, J.B. Lippincott, Illustrations of the birds of California, Texas, Oregon, British and Russian America: t. 47 (1862)